3863493700018 has 4 divisors (see below), whose sum is σ = 5795240550030. Its totient is φ = 1931746850008.

The previous prime is 3863493700007. The next prime is 3863493700043. The reversal of 3863493700018 is 8100073943683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3855006315889 + 8487384129 = 1963417^2 + 92127^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965873425003 + ... + 965873425006.

Almost surely, 2^{3863493700018} is an apocalyptic number.

3863493700018 is a deficient number, since it is larger than the sum of its proper divisors (1931746850012).

3863493700018 is a wasteful number, since it uses less digits than its factorization.

3863493700018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931746850011.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 3863493700018 in words is "three trillion, eight hundred sixty-three billion, four hundred ninety-three million, seven hundred thousand, eighteen".